The grant money was awarded to her to fund her research. If she's not at Wisconsin-Milwaukee then the grant will either follow her or go away. It's not going to stay at the university if they don't have someone to do the research they're paying for.
if it's "her" money, how does Wisconsin lose if she goes? And since the Federal government is the largest grant provider, we're just talking tax dollars here. you might be one of those "conservatives" who gets excited by politicians who "bring in Federal money;" i'm not.